"The court may, on an application under this section, order a meeting of the creditors or class of creditors, or of the members of the company or class of members (as the case may be), to be summoned in such manner as the court directs."
"A person domiciled in a Member State may ...be sued ... (1) where he is one of a number of defendants in the courts for the place where only one of them is domiciled, provided the claims are so closely connected that it is expedient to hear and determine them together to avoid the risk of irreconcilable judgments resulting from separate proceedings."